7 Best Signal Processing Startups to Watch in 2025

The Definitive Seedtable Ranking of Signal Processing Startups

We track 71,000+ companies and rank them dynamically using our Seedtable Score – a score that uses quantitative and qualitative data points to signal the momentum behind a company. We then monitor the list manually leveraging our expertise as founders and investors.

There are 7 start-ups with an aggregate funding of $206.8m. The average funding per company in this subset is $29.5m.

Last update to the database: Feb 18, 2025. See changelog.

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DeepSig logo

DeepSig

DeepSig is an early-stage startup that develops deep learning software to reinvent wireless communications.

4

Funding Rounds

$16.5m

Money raised

Shazam logo

Shazam

Shazam is an application developed by Shazam Entertainment Ltd. The application can identify music, movies, advertising, and television shows, based on a short sample played and using the microphone on the device. On 24 September 2018, Shazam Entertainment Ltd. was bought by Apple Inc.

10

Funding Rounds

$138.5m

Money raised

MaXentric Technologies logo

MaXentric Technologies

MaXentric Technologies is a research and development company which offers consulting services. The company has developed a portfolio of technologies in wireless systems, digital signal processing, and biosensors, among other fields

16

Funding Rounds

$38.0m

Money raised

Digital Harmonic logo

Digital Harmonic

Digital Harmonic develops video delivery, image enhancement and signal processing solutions for commercial, government and healthcare sectors.

1

Funding Rounds

Voiceitt logo

Voiceitt

Voiceitt is a company founded in 2012 by Danny Weissberg, Sara Smolley and Stas Tiomkin.

3

Funding Rounds

$12.0m

Money raised

Zephyr Sleep Technologies logo

Zephyr Sleep Technologies

Zephyr Sleep Technologies is a Calgary-based company founded in 2010 by Sabina Bruehlmann.

1

Funding Rounds

VSORA logo

VSORA

VSORA is a company founded in 2015 by Pierre Emmanuel Bernard.

1

Funding Rounds

$1.7m

Money raised